code: def launch(server_log=None):
      global __UNITY_GLOBAL_PROXY__
      global __SERVER__
  
      server = EmbeddedServer(server_log)
      server.start()
      server.set_log_progress(True)
  
      # This must be imported after server.set_log_progress is called.
      from ..extensions import _publish
  
      __UNITY_GLOBAL_PROXY__ = UnityGlobalProxy()
      __SERVER__ = server
  
      _publish()
  
file_path: turicreate/src/python/turicreate/_connect/main.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from .._cython.cy_unity import UnityGlobalProxy
  from .._cython.cy_server import EmbeddedServer
  import decorator
  import logging
label_desc: Use image node_id 2 for calling a global function with example usage: launch(server_log) without return types